All Stories

  1. Plexcitonics – fundamental principles and optoelectronic applications

    Article • Journal of Materials Chemistry C, January 2019, Royal Society of Chemistry

    Professor Karthik Shankar

  2. Enhanced CH4 yield by photocatalytic CO2 reduction using TiO2 nanotube arrays grafted with Au, Ru, and ZnPd nanoparticles

    Article • Nano Research, August 2016, Tsinghua University Press

    Professor Karthik Shankar

  3. Low residual donor concentration and enhanced charge transport in low-cost electrodeposited ZnO

    Article • Journal of Materials Chemistry C, January 2016, Royal Society of Chemistry

    Professor Karthik Shankar

  4. Selective microwave sensors exploiting the interaction of analytes with trap states in TiO2nanotube arrays

    Article • Nanoscale, January 2016, Royal Society of Chemistry

    Professor Karthik Shankar

  5. Mapping stresses in high aspect ratio polysilicon electrical through-wafer interconnects

    Article • Journal of Micro/Nanolithography MEMS and MOEMS, June 2015, SPIE

    Professor Karthik Shankar

  6. Phosphorescence within benzotellurophenes and color tunable tellurophenes under ambient conditions

    Article • Chemical Communications, January 2015, Royal Society of Chemistry

    Professor Karthik Shankar

  7. Rutile phase n- and p-type anodic titania nanotube arrays with square-shaped pore morphologies

    Article • Chemical Communications, January 2015, Royal Society of Chemistry

    Professor Karthik Shankar

  8. Effect of sol stabilizer on the structure and electronic properties of solution-processed ZnO thin films

    Article • RSC Advances, January 2015, Royal Society of Chemistry

    Professor Karthik Shankar

  9. Interfacial band alignment for photocatalytic charge separation in TiO2nanotube arrays coated with CuPt nanoparticles

    Article • Physical Chemistry Chemical Physics, January 2015, Royal Society of Chemistry

    Professor Karthik Shankar

  10. High Performance Zinc Oxide Thin Film Transistors Through Improved Material Processing and Device Design

    Article • November 2014, ASME International

    Professor Karthik Shankar

  11. Coaxing Solid‐State Phosphorescence from Tellurophenes

    Article • Angewandte Chemie, March 2014, Wiley

    Dr Arash Mohammadpour, Professor Karthik Shankar

  12. Toward single‐step anodic fabrication of monodisperse TiO2 nanotube arrays on non‐native substrates

    Article • phys stat sol (a), February 2014, Wiley

    Professor Karthik Shankar

  13. Majority carrier transport in single crystal rutile nanowire arrays

    Article • physica status solidi (RRL) - Rapid Research Letters, January 2014, Wiley

    Dr Arash Mohammadpour, Professor Karthik Shankar

  14. Magnetic field-assisted electroless anodization: TiO2 nanotube growth on discontinuous, patterned Ti films

    Article • Journal of Materials Chemistry A, January 2014, Royal Society of Chemistry

    Dr Arash Mohammadpour, Professor Karthik Shankar

  15. Amphiphobic surfaces from functionalized TiO2 nanotube arrays

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Professor Karthik Shankar

  16. Anodic Cu2S and CuS nanorod and nanowall arrays: preparation, properties and application in CO2 photoreduction

    Article • Nanoscale, January 2014, Royal Society of Chemistry

    Professor Karthik Shankar

  17. Biodiagnostics Using Oriented and Aligned Inorganic Semiconductor Nanotubes and Nanowires

    Article • Journal of Nanoscience and Nanotechnology, July 2013, American Scientific Publishers

    Professor Karthik Shankar

  18. Prediction of the Active Layer Nanomorphology in Polymer Solar Cells Using Molecular Dynamics Simulation

    Article • ACS Applied Materials & Interfaces, May 2013, American Chemical Society (ACS)

    Professor Karthik Shankar

  19. Photophysics and Energy Transfer Studies of Alq3 Confined in the Voids of Nanoporous Anodic Alumina

    Article • Journal of Nanoscience and Nanotechnology, April 2013, American Scientific Publishers

    Dr Arash Mohammadpour, Professor Karthik Shankar

  20. Transparent Anodic TiO2 Nanotube Arrays on Plastic Substrates for Disposable Biosensors and Flexible Electronics

    Article • Journal of Nanoscience and Nanotechnology, April 2013, American Scientific Publishers

    Dr Arash Mohammadpour, Professor Karthik Shankar

  21. Multipodal and Multilayer TiO2 Nanotube Arrays: Hierarchical Structures for Energy Harvesting and Sensing

    Article • MRS Proceedings, January 2013, Springer Science + Business Media

    Dr Arash Mohammadpour, Professor Karthik Shankar

  22. Effect of the Nature of the Metal Co-Catalyst on CO2 Photoreduction Using Fast-Grown Periodically Modulated Titanium Dioxide Nanotube Arrays (PMTiNTs)

    Article • MRS Proceedings, January 2013, Springer Science + Business Media

    Dr Arash Mohammadpour, Professor Karthik Shankar

  23. Photocatalytic Conversion of Diluted CO2 into Light Hydrocarbons Using Periodically Modulated Multiwalled Nanotube Arrays

    Article • Angewandte Chemie, November 2012, Wiley

    Professor Karthik Shankar

  24. Photocatalytic Conversion of Diluted CO2 into Light Hydrocarbons Using Periodically Modulated Multiwalled Nanotube Arrays

    Article • Angewandte Chemie, November 2012, Wiley

    Professor Karthik Shankar

  25. Zinc oxide thin film transistors with Schottky source barriers

    Article • Solid-State Electronics, October 2012, Elsevier

    Professor Karthik Shankar

  26. Increased detection of human cardiac troponin I by a decrease of nonspecific adsorption in diluted self-assembled monolayers

    Article • Applied Surface Science, April 2012, Elsevier

    Professor Karthik Shankar

  27. Schottky Barrier Thin Film Transistors Using Solution-Processed n-ZnO

    Article • ACS Applied Materials & Interfaces, March 2012, American Chemical Society (ACS)

    Professor Karthik Shankar

  28. Ultrahigh sensitivity assays for human cardiac troponin I using TiO2 nanotube arrays

    Article • Lab on a Chip, January 2012, Royal Society of Chemistry

    Professor Karthik Shankar

  29. Templating and Pattern Transfer Using Anodized Nanoporous Alumina/Titania

    Article • October 2011, Springer Science + Business Media

    Professor Karthik Shankar

  30. Efficient and stable, structurally inverted poly(3-hexylthiopen): [6,6]-phenyl-C61-butyric acid methyl ester heterojunction solar cells with fibrous like poly(3-hexylthiopen)

    Article • Thin Solid Films, October 2011, Elsevier

    Professor Karthik Shankar

  31. Anodic Growth of Large-Diameter Multipodal TiO2 Nanotubes

    Article • ACS Nano, December 2010, American Chemical Society (ACS)

    Dr Arash Mohammadpour, Professor Karthik Shankar

  32. Backside illuminated dye-sensitized solar cells based on titania nanotube array electrodes

    Article • Nanotechnology, November 2010, Institute of Physics Publishing

    Professor Karthik Shankar

  33. Broad Spectrum Light Harvesting in TiO$_2$ Nanotube Array – Hemicyanine Dye – P3HT Hybrid Solid-State Solar Cells

    Article • IEEE Journal of Selected Topics in Quantum Electronics, November 2010, Institute of Electrical & Electronics Engineers (IEEE)

    Professor Karthik Shankar

  34. Anodic TiO2 nanotube arrays with optical wavelength-sized apertures

    Article • Journal of Materials Chemistry, January 2010, Royal Society of Chemistry

    Dr Arash Mohammadpour, Professor Karthik Shankar

  35. Tantalum‐Doped Titanium Dioxide Nanowire Arrays for Dye‐Sensitized Solar Cells with High Open‐Circuit Voltage

    Article • Angewandte Chemie, October 2009, Wiley

    Professor Karthik Shankar

  36. Visible to Near-Infrared Light Harvesting in TiO2 Nanotube Array−P3HT Based Heterojunction Solar Cells

    Article • Nano Letters, September 2009, American Chemical Society (ACS)

    Professor Karthik Shankar

  37. Enhanced Harvesting of Red Photons in Nanowire Solar Cells: Evidence of Resonance Energy Transfer

    Article • ACS Nano, March 2009, American Chemical Society (ACS)

    Professor Karthik Shankar

  38. Recent Advances in the Use of TiO2 Nanotube and Nanowire Arrays for Oxidative Photoelectrochemistry

    Article • The Journal of Physical Chemistry C, March 2009, American Chemical Society (ACS)

    Professor Karthik Shankar, Professor Nageh K Allam

  39. Enhancement of Photovoltaic Device Performance in Close-Packed Nanowire Excitonic Solar Cells by Förster Resonance Energy Transfer (FRET)

    Article • MRS Proceedings, January 2009, Springer Science + Business Media

    Professor Karthik Shankar

  40. Self-Assembled Hybrid Polymer−TiO2 Nanotube Array Heterojunction Solar Cells

    Article • Langmuir, November 2008, American Chemical Society (ACS)

    Professor Karthik Shankar

  41. Water-Photolysis Properties of Micron-Length Highly-Ordered Titania Nanotube-Arrays

    Article • Journal of Nanoscience and Nanotechnology, November 2008, American Scientific Publishers

    Professor Karthik Shankar

  42. Anodic Growth of Highly Ordered TiO2 Nanotube Arrays to 134 μm in Length

    Article • The Journal of Physical Chemistry B, October 2008, American Chemical Society (ACS)

    Professor Karthik Shankar

  43. Vertically Aligned Single Crystal TiO2 Nanowire Arrays Grown Directly on Transparent Conducting Oxide Coated Glass: Synthesis Details and Applications

    Article • Nano Letters, October 2008, American Chemical Society (ACS)

    Professor Karthik Shankar

  44. A General Method for the Anodic Formation of Crystalline Metal Oxide Nanotube Arrays without the Use of Thermal Annealing

    Article • Advanced Materials, October 2008, Wiley

    Professor Karthik Shankar, Professor Nageh K Allam

  45. High Carrier Density and Capacitance in TiO2 Nanotube Arrays Induced by Electrochemical Doping

    Article • Journal of the American Chemical Society, August 2008, American Chemical Society (ACS)

    Professor Karthik Shankar

  46. Photoelectrochemical Properties of Heterojunction CdTe/TiO2 Electrodes Constructed Using Highly Ordered TiO2 Nanotube Arrays

    Article • Chemistry of Materials, July 2008, American Chemical Society (ACS)

    Professor Karthik Shankar

  47. p-Type Cu−Ti−O Nanotube Arrays and Their Use in Self-Biased Heterojunction Photoelectrochemical Diodes for Hydrogen Generation

    Article • Nano Letters, June 2008, American Chemical Society (ACS)

    Professor Karthik Shankar

  48. Effect of device geometry on the performance of TiO2 nanotube array-organic semiconductor double heterojunction solar cells

    Article • Journal of Non-Crystalline Solids, May 2008, Elsevier

    Professor Karthik Shankar

  49. Highly Efficient Solar Cells using TiO2 Nanotube Arrays Sensitized with a Donor-Antenna Dye

    Article • Nano Letters, April 2008, American Chemical Society (ACS)

    Professor Karthik Shankar

  50. Photoelectrochemical and water photoelectrolysis properties of ordered TiO2 nanotubes fabricated by Ti anodization in fluoride-free HCl electrolytes

    Article • Journal of Materials Chemistry, January 2008, Royal Society of Chemistry

    Professor Karthik Shankar, Professor Nageh K Allam

  51. Self-Assembled Hybrid Polymer−TiO2 Nanotube Array Heterojunction Solar Cells

    Article • Langmuir, October 2007, American Chemical Society (ACS)

    Professor Karthik Shankar

  52. High efficiency double heterojunction polymer photovoltaic cells using highly ordered TiO2 nanotube arrays

    Article • Frontiers in Human Neuroscience, October 2007, American Institute of Physics

    Professor Karthik Shankar

  53. Vertically Oriented Ti−Fe−O Nanotube Array Films:  Toward a Useful Material Architecture for Solar Spectrum Water Photoelectrolysis

    Article • Nano Letters, July 2007, American Chemical Society (ACS)

    Professor Karthik Shankar

  54. Application of finite-difference time domain to dye-sensitized solar cells: The effect of nanotube-array negative electrode dimensions on light absorption

    Article • Solar Energy Materials and Solar Cells, February 2007, Elsevier

    Professor Karthik Shankar

  55. Highly-ordered TiO2nanotube arrays up to 220 µm in length: use in water photoelectrolysis and dye-sensitized solar cells

    Article • Nanotechnology, January 2007, Institute of Physics Publishing

    Professor Karthik Shankar

  56. A review on highly ordered, vertically oriented TiO2 nanotube arrays: Fabrication, material properties, and solar energy applications

    Article • Solar Energy Materials and Solar Cells, September 2006, Elsevier

    Professor Karthik Shankar

  57. Anodic Growth of Highly Ordered TiO2 Nanotube Arrays to 134 μm in Length

    Article • The Journal of Physical Chemistry B, July 2006, American Chemical Society (ACS)

    Professor Karthik Shankar

  58. Application of highly-ordered TiO2nanotube-arrays in heterojunction dye-sensitized solar cells

    Article • Journal of Physics D Applied Physics, June 2006, Institute of Physics Publishing

    Professor Karthik Shankar

  59. An electrochemical strategy to incorporate nitrogen in nanostructured TiO2thin films: modification of bandgap and photoelectrochemical properties

    Article • Journal of Physics D Applied Physics, May 2006, Institute of Physics Publishing

    Professor Karthik Shankar

  60. Backside illuminated dye-sensitized solar cells based on titania nanotube array electrodes

    Article • Nanotechnology, February 2006, Institute of Physics Publishing

    Professor Karthik Shankar

  61. Visible light photoelectrochemical and water-photoelectrolysis properties of titania nanotube arrays

    Article • Journal of Photochemistry and Photobiology A Chemistry, February 2006, Elsevier

    Professor Karthik Shankar

  62. Use of Highly-Ordered TiO2 Nanotube Arrays in Dye-Sensitized Solar Cells

    Article • Nano Letters, December 2005, American Chemical Society (ACS)

    Professor Karthik Shankar

  63. A study on the spectral photoresponse and photoelectrochemical properties of flame-annealed titania nanotube-arrays

    Article • Journal of Physics D Applied Physics, September 2005, Institute of Physics Publishing

    Professor Karthik Shankar

  64. Water-Photolysis Properties of Micron-Length Highly-Ordered Titania Nanotube-Arrays

    Article • Journal of Nanoscience and Nanotechnology, July 2005, American Scientific Publishers

    Professor Karthik Shankar

  65. Quantification of ricin concentrations in aqueous media

    Article • Sensors and Actuators B Chemical, June 2005, Elsevier

    Professor Karthik Shankar

  66. Enhanced Photocleavage of Water Using Titania Nanotube Arrays

    Article • Nano Letters, December 2004, American Chemical Society (ACS)

    Professor Karthik Shankar

  67. Photoelectrochemical properties of titania nanotubes

    Article • Journal of Materials Research, October 2004, Springer Science + Business Media

    Professor Karthik Shankar

  68. Morphology and electrical transport in pentacene films on silylated oxide surfaces

    Article • Journal of Materials Research, July 2004, Springer Science + Business Media

    Professor Karthik Shankar

  69. Photoelectrochemical Properties of Highly-ordered Titania Nanotube-arrays

    Article • MRS Proceedings, January 2004, Springer Science + Business Media

    Professor Karthik Shankar

  70. Effect of Anodization Bath Chemistry on Photochemical Water Splitting Using Titania Nanotubes

    Article • MRS Proceedings, January 2004, Springer Science + Business Media

    Professor Karthik Shankar